Home GPU Comparison AMD Radeon HD 6950 vs NVIDIA GeForce GTX 490

AMD Radeon HD 6950 vs NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages
More VRAM (2GB vs 1536GB)
928 additional rendering cores
Lower TDP (200W vs 365W)
NVIDIA GeForce GTX 490 's Advantages
Larger VRAM bandwidth (164.0GB/s vs 160.0GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 6950 +93%
2.253 TFLOPS
GeForce GTX 490
1.166 TFLOPS
VS

Graphics Card

Dec 2010
Release Date
Unknown
Northern Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1250 MHz
Memory Clock
854 MHz

Memory

2GB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
160.0GB/s
Bandwidth
164.0GB/s

Render Config

22
Compute Units
-
-
SM Count
15
1408
Shading Units
480
88
TMUs
60
32
ROPs
48
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
768 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
18.24 GPixel/s
70.40 GTexel/s
Texture Rate
36.48 GTexel/s
-
-
-
2.253 TFLOPS
FP32 (float)
1166 GFLOPS
563.2 GFLOPS
FP64 (double)
145.8 GFLOPS

Board Design

200W
TDP
365W
550 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
3x DVI 1x mini-DisplayPort
2x 6-pin
Power Connectors
2x 8-pin

Graphics Processor

Cayman
GPU Name
GF100
Cayman PRO (215-0807019)
GPU Variant
GF100-375-A3
TeraScale 3
Architecture
Fermi
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
3.1 billion
389 mm²
Die Size
529 mm²

Graphics Features

11.2 (11_0)
DirectX
12 (11_0)
4.4
OpenGL
4.6
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
2.0
5.0
Shader Model
5.1

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